A sewer pipe contains 1 mm sand particles of specific gravity 2.65 and 5 mm organic particles of specific gravity 1.2, the minimum velocity required for removing the sewerage, is

A sewer running partially full and hurried with back filled, fails in compression due to

A sewer that receives the discharge of a number of house sewers is called

A shaft 9 m long is subjected to a torque 30 t-m at a point 3 m distant from either end. The
reactive torque at the nearer end will be

A shaft turning 150 r.p.m. is subjected to a torque of 150 kgm. Horse power transmitted by the
shaft is

A shell of mass 100 kg travelling with a velocity of 10 m/sec breaks into two equal pieces during an explosion which provides an extra kinetic energy of 20000 Joules. If the pieces continue to move in the same direction as before, then the speed of the faster one must be

A shell travelling with a horizontal velocity of 100 m/sec explodes and splits into two parts, one of mass 10 kg and the other of 15 kg. The 15 kg mass drops vertically downward with initial velocity of 100 m/sec and the 10 kg mass begins to travel at an angle to the horizontal of tan”1 x, where x is

A ship is berthed in a chamber and lifted by principles of buoyancy, such a chamber is called.

A ship strikes the berth generally at an angle

A ship whose hull length is 100 m is to travel at 10 m/sec. For dynamic similarity, at what velocity should a 1:25 model be towed through water?

A short column (30 cm x 20 cm) carries a load P1 at 4 cm on one side and another load P2at 8 cm on the other side along a principal section parallel to longer dimension. If the extreme intensity on either side is same, the ratio of P1 to P2 will be

A short column 20 cm x 20 cm in section is reinforced with 4 bars whose area of cross section is 20 sq. cm. If permissible compressive stresses in concrete and steel are 40 kg/cm2 and 300 kg/cm2, the Safe load on the column, should not exceed

A short masonry pillar is 60 cm x 60 cm in cross-section, the core of the pillar is a square whose
side is

A simple pendulum of length ‘/’ has an energy ‘E’, when its amplitude is ‘A’. If the length of pendulum is doubled, the energy will be

A simple pendulum of length 1 has an energy E when its amplitude is A. If its amplitude is increased to 2 A, the energy becomes

A simply supported beam 6 m long and of effective depth 50 cm, carries a uniformly distributed load 2400 kg/m including its self weight. If the lever arm factor is 0.85 and permissible tensile stress of steel is 1400 kg/cm2, the area of steel required, is

A simply supported beam A carries a point load at its mid span. Another identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be

A simply supported beam carries two equal concentrated loads W at distances L/3 from either
support. The maximum bending moment

A simply supported beam carrying a central load, will be safe in deflection if the ratio of its span to depth, is

A simply supported beam deflects by 5 mm when it is subjected to a concentrated load of 10 kN at its centre. What will be deflection in a 1/10 model of the beam if the model is subjected to a 1 kN load at its centre?

A simply supported beam of span carries a uniformly distributed load . The maximum
bending moment is

A simply supported beam which carries a uniformly distributed load has two equal overhangs. To have maximum B.M. produced in the beam least possible, the ratio of the length of the overhang to the total length of the beam, is

A simply supported rolled steel joist 8 m long carries a uniformly distributed load over it span so that the maximum bending stress is 75 N/mm2. If the slope at the ends is 0.005 radian and the value of E = 0.2 x 106 N/mm2, the depth of the joist, is

A single angle in tension is connected by one leg only. If the areas of connecting and outstanding legs are respectively a and b, net effective area of the angle, is

A single lane carriage way whenever changes to two-lane carriage way, is affected through a taper of

A single rolling load of 8 kN rolls along a girder of 15 m span. The absolute maximum bending moment will be

A singly reinforced beam has breadth b, effective depth d, depth of neutral axis n and critical
neutral axis n1. If fc and ft are permissible compressive and tensile stresses, the moment to
resistance of the beam, is

A singly reinforced concrete beam of 25 cm width and 70 cm effective depth is provided with
18.75 cm2 steel. If the modular ratio (m) is 15, the depth of the neutral axis, is

A slow sand filter is cleaned if its filter head is higher than

A smooth cylinder lying on its convex surface remains

A soil has bulk density 2.30 g/cm3 and water content 15 per cent, the dry density of the sample, is

A soil mass coated with a thin layer of paraffin weighs 460 g. When immersed, it displaces 299 cc of water. The weight of paraffin is 10 g. If specific gravity of solids is 2.5 and that of paraffin 0.9, the void ratio of soil, is

A soil mass is said to be in plastic equilibrium if

A soil not fully consolidated under the existing over-burden pressure, is called

A soil sample has passing 0.075 mm sieve = 60% liquid limit = 65% and plastic limit = 40%. The group index of the soil, is

A soil sample of mass specific gravity 1.92 has moisture content 30%. If the specific gravity of solids is 2.75, the degree of saturation, is

A soil sample of mass specific gravity 1.92 has moisture content 30%. If the specific gravity of solids is 2.75, the void ratio, is

A solid core of rock is formed inside the cylinder in the case of

A solid cube is subjected to equal normal forces on all its faces. The volumetric strain will be xtimes
the linear strain in any of the three axes when

A sphere and a cylinder having the same mass and radii start from rest and roll down the same inclined plane. Which body gets to the bottom first?

A sphere is resting on two planes BA and BC which are inclined at 45° and 60° respectively with the horizontal. The reaction on the plane BA will be

A spring of mean radius 40 mm contains 8 action coils of steel (N = 80000 N/mm2), 4 mm in diameter. The clearance between the coils being 1 mm when unloaded, the minimum compressive load to remove the clearance, is

A spring scale in a stationary lift shows a reading of 60 kg for a man standing on it. If the lift starts descending at an acceleration of g/5, the scale reading would be

A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at water surface. The hydrostatic force on square surface is

A stair should not have pitch more than

A star in northern sphere is said to transit

A star is said to elongate

A star may culminate at zenith if its declination is

A steel bar 20 mm in diameter simply-supported at its ends over a total span of 40 cm carries a load at its centre. If the maximum stress induced in the bar is limited to N/mm2, the bending strain energy stored in the bar, is

A steel bar 5 m x 50 mm is loaded with 250,000 N. If the modulus of elasticity of the material is 0.2 MN/mm2 and Poisson’s ratio is 0.25, the change in the volume of the bar is:

A steel beam supporting loads from the floor slab as well as from wall is termed as

A steel rod 1 metre long having square cross section is pulled under a tensile load of 8 tonnes. The extension in the rod was 1 mm only. If Estee/ = 2 x 106 kg/cm2, the side of the rod, is

A steel rod of 2 cm diameter and 5 metres long is subjected to an axial pull of 3000 kg. If E = 2.1 ×
106, the elongation of the rod will be

A steel rod of sectional area 250 sq. mm connects two parallel walls 5 m apart. The nuts at the ends were tightened when the rod was heated to 100°C. If astee/ = 0.000012/C°, Esteei = 0.2 MN/mm2, the tensile force developed at a temperature of 50°C, is

A stone is rejected if it absorbs water more than

A stone is thrown up a slope of inclination 60° to the horizontal. At what angle to the slope must the stone be thrown so as to land as far as possible from the point of projection?

A stone is thrown vertically upwards with a vertical velocity of 49 m/sec. It returns to the ground in

A stone is whirled in a vertical circle, the tension in the string, is maximum

A stone of mass 1 kg is tied to a string of length 1 m and whirled in a horizontal circle at a constant angular speed 5 rad/sec. The tension in the string is,

A stone was thrown vertically upwards from the ground with a velocity of 50 m/sec. After 5 seconds another stone was thrown vertically upwards from the same place. If both the stones strike the ground at the same time, then the velocity with which the second stone was thrown should be (Assume g = 10 m/sec2)

A strainer type well sunk through three previous layers intervened by three impervious aquicludes, draws water from

A stratum of clay 2 m thick will get consolidated 80% in 10 years. For the 80% consolidation of 8 m thick stratum of the same clay, the time required is

A streamline is defined as the line

A string of length 90 cm is fastened to two points ‘A’ and ‘B’ at the same level 60 cm apart. A ring weighing 120 g is slided on the string. A horizontal force ‘P7 is applied to the ring such that it is in equilibrium vertically below ‘fl7. The value of ‘P7 is:

A structural member subjected to compressive stress in a direction parallel to its longitudinal axis, is generally known as

A structural member subjected to tensile force in a direction parallel to its longitudinal axis, is generally known as

A structure used to dam up a stream or river over which the water flows is called

A structure, whose width is the width of the channel, is called a flumed structure.

A submerged body is said to be in a stable equilibrium, if its centre of gravity the centre of buoyancy.

A subsidiary area in a carriageway placed so as to control the movement of the traffic, is

A system of coplanar forces acting on a rigid body can be reduced to

A system of coplanar forces is in equilibrium when

A T-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis

A temporary rigid structure having platforms to enable masons to work at different stages of a building, is known as

A tension member, if subjected to possible reversal of stress due to wind, the slenderness ratio of the member should not exceed

A theodolite is said to be in perfect adjustment if

A thick liquid like syrup has a viscosity than a light liquid like water.

A three hinged arch is generally hinged at its supports and

A three hinged arch is loaded with an isolated load 1000 kg at a horizontal distance of 2.5 m from
the crown, 1 m above the level of hinges at the supports 10 metres apart. The horizontal thrust is

A time varying electric field produces a magnetic field.’ This phenomenon is called:

A tractor shovel has a purchase price of Rs. 4.7 lacs and could save the organization an amount of rupees one lac per year on operating costs. The salvage value after the amortization period is 10% of the purchase price. The capital recovery period will be

A tractor whose weight is 20 tonnes has a drawbar pull of 2500 kg, when operated on a level road having a rolling resistance of 30 kg per tonne. If this tractor is operated on a level road having a rolling resistance of 40 kg per tonne, then the drawbar pull of the tractor will

A traffic rotary is justified where

A train is hauled by 2-8-2 locomotive with 22.5 tonnes and on each driving axle. Assuming the coefficient of rail-wheel friction to be 0.25, what would be the hauling capacity of the locomotive?

A train is hauled by 4-8-2 locomotive. The number of driving wheels in this locomotive is

A transit is oriented by setting its vernier A to read the back azimuth of the preceding line. A back sight on the preceding transit station taken and transit is rotated about its vertical axis. The vernier A reads

A traverse deflection angle is

A treadle bar is used for

A triangle is used for

A triangle of railway consists of

A triangle used for turning the face of locomotives, consists of

A triaxial shear test is preferred to direct shear test, because

A trolley wire weighs 1 kg per metre length. The ends of the wire are attached to two poles 20 m apart. If the horizontal tension is 1000 kg, the central dip of the cable is

A T-shaped retaining wall mainly consists of

A turn-in-curve is defined as

A uniform body 3 m long, 2 m wide and 1 m deep floats in water. If the depth of immersion is 0.6 m, then the weight of the body is

A uniform girder simply supported at its ends is subjected to a uniformly distributed load over its
entire length and is propped at the centre so as to neutralise the deflection. The net B.M. at the
centre will be

A uniform pyramid and a uniform prism of same height lie with their base on the surface. Which is more stable?

A uniform rod 9 m long weighing 40 kg is pivoted at a point 2 m from one end where a weight of 120 kg is suspended. The required force acting at the end in a direction perpendicular to rod to keep it equilibrium, at an inclination 60° with horizontal, is

A venturi-flume is used to measure